Monographs Details: Tetralocularia pennellii O'Donell
Authority: Maguire, Bassett. 1978. The botany of the Guayana Highland--part XI. Mem. New York Bot. Gard. 32: 1-391.
Family:Convolvulaceae
Description:Distribution and Ecology - Distribution. For many years this species was thought to occur only in Colombia. Specimens have recently been found, long unidentified, which extend its range much farther east. FRENCH GUIANA. Crique James. B. Maguire 38893 (NY). BRAZIL. Amazonas. Igarape assii. Ayaya. 6 IX 1927. A. Ginzberger 429B (F).

Discussion:1. Tetralocularia pennellii O'Donell, Lilloa 30: 68. 1960. Type. Colombia. Dept. Antioquia. Puerto Berri. Pennell 3719 (holotype NY; isotype F ).
Distribution:Guyana South America| Colombia South America|